2011+ 5.0 Mustang MPG

[R1psycho]

13 Auto with borla axleback and otherwise stock with 3.15's and I average 17 mixed and I drive like an asshole. Best I have gotten so far was 23 mpg while doing 80 the majority of the time on the freeway. It's a hell of alot better then my 03 cobra which got 8MPG